namespace IStation
{
    /// <summary>
    /// 整数列表辅助类
    /// </summary>
    public class IntListHelper
    {
        //分割字符
        private const string _split = ",";

        /// <summary>
        /// 转化为字符串
        /// </summary>
        public static string ToString(IEnumerable<int> list)
        {
            if (list == null || list.Count() < 1)
                return string.Empty;
            return string.Join(_split, list);
        }

        /// <summary>
        /// 转化为列表
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static List<int> ToList(string str)
        {
            if (string.IsNullOrEmpty(str))
                return new List<int>();
            try
            {
                var list = str.Split(new string[] { _split }, StringSplitOptions.RemoveEmptyEntries);
                if (list.Count() < 1)
                    return new List<int>();
                return list.Select(x => Convert.ToInt32(x)).ToList();
            }
            catch
            {
                return new List<int>();
            }

        }


    }
}